Serum Stories

845 results
Orientation
Length
Source
Infinite Scroll

Bree the Secret Agent

by storylord1337 on Apr 22, 2025

This story follows Bree Benson, a secret agent working for the CIA. Bree is a thin girl all the way around with shoulder length brown hair. Recently Bree and her team have been working on a case that is very dangerous. A billionaire named Steven Clark has invented a serum that turns anyone into a "bimbo" at least as far as we can tell. So far anyon...

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Tiny Jax Pt. 01

by DomBrit on Aug 18, 2017
Fetish

Jax is a young man who is in his third year of college working toward his chemistry degree. Knowing that in order to graduate he will have to successfully create a potion/serum that causes a reaction. The insecure side of Jax kicked in one day and he decided he wanted to create a serum that would make it possible for him to see what his girlfriend did all af...

The Serum

by Floradriel on Apr 29, 2025

(Moved this up here, so it doesn't disrupt the flow) If you like this story you might also like other stories I wrote. You might also be interested to see more exclusive and unpublished serum images aaaand you might also like to hang out and chat with other mind-control enthusiasts :) So why don't you go ahead and join my new discord server and hang out with...

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The serum

by ka23 on Apr 22, 2025

*Click* This is the first log entry for the serum XM-32, administered by Johnathan Simons to, well, himself. Current patient stats are as follows: Age: 35 Height: 5’7” Weight: 155 lbs BMI: Overweight Resting Heart Rate: 72 bpm Penis Size, flaccid/erect: 2/4 in General Mood: Anxious, tired, depressed General Libedo: Low These are just simple s...

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(Don't Have to) Keep Me Growing

by mistyfdfa on Sep 16, 2017
Sci-Fi & Fantasy

This is a continuation of (Don't Have to) Twist my Arm and the transformations get more absurd as Yuuki and Caroline take more of the potion. So, if absurd growth and size is not your thing, I would go back. ***** While crafting a serum to help with recovery after a workout Yuuki unintentionally created something that dramatically increased one's masculine...

Awakening the Howl Pt. 02

by simone77 on Mar 7, 2018
NonHuman

This Story is part 2 of 'Awakening The Howl' Trilogy (Part 3 coming soon) If you haven't already read 'Awakening The Howl' then please consider reading it before 'Awakening The Howl - Part 2' ********** I didn't tell Niall the truth about the previous night. Rosie the Farmer's wife and fellow werewolf hunter came in to the kitchen just as he had woken up...

Zhor

by Abdulalahazred on Aug 26, 2018
BDSM

Welcome the the world of Zhor, a "universe" entertaining b&d tg fantasies inspired by the world of Gor. In it men and sometimes women are injected with Ruk serum and become serum girls, creatures one step away from perpetually in heat slavegirls. Zhorian science allows people to remain young and -- usually -- healthy for centuries, and to take...

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Cilla's Cure

by banderfrog on Sep 16, 2017
Fetish

"Dr. E. Joseph Grafenbacher, MD, Ph.D., Registered Experimental Neurologist," read the impressive gold plaque above the office door. Cilla knocked softly, apprehensively. She'd been sent here by her doctor after complaining of strange fainting spells, and had been told that Dr. Grafenbacher was an expert at finding the cause of such ailments in young people....

Futa World: Origins Ch. 01

by FemmasXXY on Sep 25, 2017
Sci-Fi & Fantasy

All characters engaged in sexual activity are aged eighteen years or more. Earlier chapters will have fewer erotic scenes than later chapters, but if you like futanari and futa/female, and related interests, stick around. In this chapter: futanari, dickgirl, masturbation, and almost-paizuri. ~~~ Amanda opened her eyes. It was harder than it sounds. "Welco...

No Mercy

by vaulthurst on Apr 29, 2025

Dear Mom & Dad, It has been a real drag here at college. The people are all in clicks and the professors are even worse. I had great plans of doing as Dad wanted and become a teacher, but the English Lit Professor is the world's biggest ego trip jerk, and told me he was hell-bent desiring to dash my hopes! He wants those not in frat houses to brown nose...

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